In my opinion, both DA semis and revolvers are better suited for service or wilderness protection. You draw, you pull the trigger, repeat. With revolvers, even if round doesn't go off due to its defect, you get next round to fire. No need to disengage safety, can use one hand, a little faster. Decocker guns are better suited for when you need to load and unload them somewhat frequently, there is only one and same motion - to decock - pushing lever down, becomes DA gun. Heavy first trigger pull is due to mechanics of cocking the gun, if it has hammer.
Again, imho, Glocks and some other striker type guns with 'safety' on trigger - give one false sense of having safety, unlike say HK P7, you pull trigger - it fires. P7 on the other hand, you need to squeeze grip well to cock the gun, you loosen grip - it's safe; you pull trigger - nothing will happen - this is safety.
I'm not trying to say that SA guns are worse or not as safe. It's just one needs to get used to them and be efficient. It's like driving a car with auto or manual transmission.
Life examples: 1) I shoot in Production and was so used to firing 1st shot in DA that when started ESP and L10, I drew and pulled trigger a few first times, forgetting to disengage safety;
2) I drive standard, and after many years of doing so, I had an auto to drive - almost hit windshield with my head while taking off ramp
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I was so used to pressing-in clutch with left foot...
What I' getting at is that SA guns require a little more discipline and work. This may as well be one of the main reasons why Production and SSP - both require DA guns (like car with auto), but next levels are - SA guns.